| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [vb pp] [art] [adj] | 54 |
|
| 2 | must be [vb pp] a [adj] | 26 |
|
| 3 | must be [vb pp] the [adj] | 24 |
|
| 4 | must be given [art] [adj] | 9 |
|
| 5 | must be added [art] [adj] | 6 |
|
